The crash occurred on the highway at Quarry Road, north of Cullen Bullen, at 5.53am, when a car left the road and crashed.

Despite efforts to revive the driver, he died at the scene. The passenger was airlifted to Nepean Base Hospital for treatment.

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Chifley Police District officers have established a crime scene and commenced inquiries.

The highway was reopened just after midday with all diversions now lifted and traffic conditions through the area have returned to normal.

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Meanwhile, a second crash on Monday morning occurred on the Great Western Highway at Meadow Flat at 6.52am.

This incident involved one car and it has since been cleared.

TWO separate highway crashes are holding up traffic with motorists on the Great Western and Castlereagh highways affected.

The first crash occurred on the Castlereagh Highway at Quarry Road north of Cullen Bullen at 5.53am. It involves one car and emergency services are on scene.

The highway is closed in both directions, with motorists urged to use diversions along the Great Western Highway, Sofala Road and the Sofala Illford Road. This diversion is not suitable for B-doubles.

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Motorists should allow plenty of extra time for this diversion.

The second crash occurred on the Great Western Highway at Meadow Flat at 6.52am, It also involves one car and emergency services are on scene.

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Eastbound traffic is affected and motorists in this region are urged to reduce their speed and exercise caution.

At this stage Australian Community Media is unaware of any injuries to the drivers or passengers.

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